fix: compatibility with Typst 0.14.0

[wendaining]

对该 PR 的总结

• 更新 algo 包从 0.3.3 到 0.3.5
• 更新 tablex 包从 0.0.6 到 0.0.9
• 将已弃用的 locate() 函数替换为 context
• 更新 counter API 调用以适配新版本

该 PR 的成功合入是否需要关闭一些 Issue？

Close #9

该 PR 的其他信息

本 PR 修复了模板与 Typst 0.14.0 的兼容性问题。之前用户在使用最新版本 Typst 编译时会遇到 type state has no method display 和 only element functions can be used as selectors 的错误。修改后的代码已在 Typst 0.14.0 上成功编译测试。

[Copilot]

Pull request overview

This PR updates the Tongji University thesis template to be compatible with Typst 0.14.0 by migrating from deprecated APIs to modern equivalents. The changes address breaking changes in Typst 0.14.0 where locate() was deprecated in favor of context, and the counter API was updated.

Key changes:

• Replaces deprecated locate() function with context keyword throughout the codebase
• Updates counter API calls from counter().at(loc) to counter().get() within context blocks
• Updates package dependencies: algo from 0.3.3 to 0.3.5 and tablex from 0.0.6 to 0.0.9
• Modernizes paragraph spacing from show par: set block(spacing: ...) to set par(spacing: ...)
• Adds CI/CD workflow for automated testing
• Expands .gitignore file

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated 2 comments.

File	Description
paddling-tongji-thesis/tongjithesis.typ	Migrates heading show rules and footer functions from locate() to context, updates counter API usage, and modernizes paragraph spacing configuration
paddling-tongji-thesis/elements.typ	Updates package imports to newer versions and migrates outline generation function from locate() to context
.gitignore	Expands ignore patterns with many new entries (includes some unrelated to Typst projects)
.github/workflows/test.yml	Adds new CI workflow to compile thesis and verify build on push/PR events

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